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package cn.net.greenet.generalfile.servlet;

import cn.net.greenet.db.HibernateUtil;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

/**
 * web分类库数据删除
 *
 * @author ShiYun,2015/03/10
 */
@WebServlet(name = "Del_Web", urlPatterns = {"/common/del_web"})
public class Del_Web extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String content = request.getParameter("ids");
        String[] arr = content.split(",");
        PrintWriter out = response.getWriter();
        SessionFactory sf = HibernateUtil.getSessionFactory();
        Session session = sf.openSession();
        session.clear();
        boolean result = false;
        try {
             Transaction tx = session.beginTransaction();
            for (int i = 0; i < arr.length; i++) {
                String one = arr[i];
                String[] a = one.split("_");
                if (a.length == 3) {
                    String hostName = a[0];
                    String webTypeId = a[1];
                    String webTypeName = a[2];
                    String hql = "delete Webcategory as we where we.id.hostName =? and we.id.webTypeId = ? and we.webTypeName = ?";
                    Query query = session.createQuery(hql);
                    query.setString(0, hostName);
                    query.setInteger(1, Integer.parseInt(webTypeId));
                    query.setString(2, webTypeName);
                    query.executeUpdate();
                }
            }
            result = true;
            tx.commit();
        } finally {
            out.println(result);
            session.close();
//            sf.close();
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
